let obj = {
  name: "houdunren"
};
let map = new Map([["hdcms", "开源系统"]]);
map.set("name", "后盾人");
map.set("site", "baidu.com");
map.set(obj, "houdunren");
console.log(map.keys());
for (const [key, value] of map.entries()) {
  console.log(key, value);
}
map.forEach((key, value) => {
  console.log(key, value);
});
